Dialysis machine



FIG. 1 is a perspective of a design of a first embodiment of a dialysis machine;

FIG. 2 is a right side-view thereof;

FIG. 3 is front view thereof;

FIG. 4 is a perspective view of a second embodiment of a dialysis machine;

FIG. 5 is a right side-view thereof; and,

FIG. 6 is a front view thereof.

The broken lines contained in the figures depict portions of the dialysis machine that form no part of the claimed design. 

CLAIM The ornamental designs for a dialysis machine, as shown and described. 